Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc choi dan slippers" » "luc cho dan slippers", "luc khoi dan slippers", "luc hoc dan slippers", "luc hoi dan slippers", "luc hoa dan slippers", "luc choi dan slippery", "luc choi dan grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("luc choi dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc choi dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc choi dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc choi dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.